FR2483720A1 - Tourne-videodisque avec correction de la distorsion par intermodulation - Google Patents

Tourne-videodisque avec correction de la distorsion par intermodulation Download PDF

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Publication number
FR2483720A1
FR2483720A1 FR8110476A FR8110476A FR2483720A1 FR 2483720 A1 FR2483720 A1 FR 2483720A1 FR 8110476 A FR8110476 A FR 8110476A FR 8110476 A FR8110476 A FR 8110476A FR 2483720 A1 FR2483720 A1 FR 2483720A1
Authority
FR
France
Prior art keywords
signal
circuit
carrier
phase
distortion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR8110476A
Other languages
English (en)
French (fr)
Other versions
FR2483720B1 (it
Inventor
Richard Claxton Palmer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2483720A1 publication Critical patent/FR2483720A1/fr
Application granted granted Critical
Publication of FR2483720B1 publication Critical patent/FR2483720B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/802—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving processing of the sound signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Networks Using Active Elements (AREA)
FR8110476A 1980-05-27 1981-05-26 Tourne-videodisque avec correction de la distorsion par intermodulation Granted FR2483720A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/153,626 US4309722A (en) 1980-05-27 1980-05-27 Video disc player noise reduction circuit

Publications (2)

Publication Number Publication Date
FR2483720A1 true FR2483720A1 (fr) 1981-12-04
FR2483720B1 FR2483720B1 (it) 1985-01-04

Family

ID=22548000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8110476A Granted FR2483720A1 (fr) 1980-05-27 1981-05-26 Tourne-videodisque avec correction de la distorsion par intermodulation

Country Status (7)

Country Link
US (1) US4309722A (it)
JP (1) JPS5721189A (it)
CA (1) CA1153109A (it)
DE (1) DE3121190A1 (it)
FR (1) FR2483720A1 (it)
GB (1) GB2076613B (it)
IT (1) IT1136993B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393489A (en) * 1981-03-30 1983-07-12 Rca Corporation Audio processor for single, channel, matrixed two-channel and un-matrixed two-channel signals
US4516232A (en) * 1982-05-26 1985-05-07 Rca Corporation Video disc player with compensation for stylus holder mechanical resonance
US4622660A (en) * 1983-02-17 1986-11-11 Cowans Kenneth W Systems and methods for signal compensation
GB8628046D0 (en) * 1986-11-24 1986-12-31 British Telecomm Transmission system
JPH0196868A (ja) * 1987-10-08 1989-04-14 Pioneer Electron Corp 記録情報再生装置
DE4128184A1 (de) * 1991-08-24 1993-02-25 Thomson Brandt Gmbh Schaltung zur verringerung von farbstoerungen in einem videorecorder
DE60224817T2 (de) * 2001-11-09 2009-02-19 Rubicon Medical, Inc., Sandy Stent-ablagevorrichtung mit embolieschutz

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2358794A1 (fr) * 1976-07-14 1978-02-10 Sony Corp Procede et dispositif d'enregistrement de signaux video
US4166251A (en) * 1977-05-30 1979-08-28 Victor Company Of Japan, Ltd. System for removing interference distortion in the demodulated signal of a frequency-modulated signal
US4167749A (en) * 1977-05-26 1979-09-11 Rca Corporation Noise reduction apparatus

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2073458A (en) * 1933-09-11 1937-03-09 Western Electric Co Sound recording system
US2852602A (en) * 1952-02-16 1958-09-16 Gen Electric Noise elimination in television receiver utilizing noise inverter and amplifier
US3132339A (en) * 1961-01-03 1964-05-05 Raytheon Co Sideband cancellation system
US3842194A (en) * 1971-03-22 1974-10-15 Rca Corp Information records and recording/playback systems therefor
NL7210324A (it) * 1972-07-26 1974-01-29
US3934263A (en) * 1974-11-12 1976-01-20 Rca Corporation Video disc recording apparatus and methods
US3984867A (en) * 1975-03-05 1976-10-05 Eastman Kodak Company Apparatus for modifying the time base of signals
US3988531A (en) * 1975-04-02 1976-10-26 Zenith Radio Corporation System for compensating for incorrect duty factor when reading out information stored in a video disc
US4044379A (en) * 1975-06-30 1977-08-23 Rca Corporation Method and apparatus for electromechanical recording of short wavelength modulation in a metal master
GB1514556A (en) * 1975-09-24 1978-06-14 Decca Ltd Signal processor for reducing interference between frequency-modulated signals
JPS539507A (en) * 1976-07-14 1978-01-28 Sony Corp Recording apparatus
US4150395A (en) * 1977-09-26 1979-04-17 Rca Corporation Time base error correction system
US4237485A (en) * 1978-01-19 1980-12-02 Matsushita Electric Industrial Co., Ltd. Buzz cancelling system for television receiver

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2358794A1 (fr) * 1976-07-14 1978-02-10 Sony Corp Procede et dispositif d'enregistrement de signaux video
US4167749A (en) * 1977-05-26 1979-09-11 Rca Corporation Noise reduction apparatus
US4166251A (en) * 1977-05-30 1979-08-28 Victor Company Of Japan, Ltd. System for removing interference distortion in the demodulated signal of a frequency-modulated signal

Also Published As

Publication number Publication date
IT8121604A0 (it) 1981-05-08
IT1136993B (it) 1986-09-03
CA1153109A (en) 1983-08-30
DE3121190A1 (de) 1982-03-25
GB2076613A (en) 1981-12-02
US4309722A (en) 1982-01-05
JPS5721189A (en) 1982-02-03
FR2483720B1 (it) 1985-01-04
GB2076613B (en) 1983-12-07

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